{"id":"CVE-2021-32286","aliases":["DEBIAN-CVE-2021-32286","EUVD-2021-19141","GHSA-3p4h-535g-5qjf","UBUNTU-CVE-2021-32286"],"status":"published","title":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the...","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01064,"percentile":0.65115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-787"],"published":"2021-09-20T15:26:43Z","modified":"2026-10-23T18:05:23Z","fixes":[{"ecosystem":"Debian:12","package":"hcxtools","fixed_in":["6.2.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"hcxtools","fixed_in":["6.2.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"hcxtools","fixed_in":["6.2.4-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"hcxtools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"hcxtools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"hcxtools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.4-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"hcxtools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.1.0-1","7.1.2-1","7.1.2-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"hcxtools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.3.5-1","6.3.5-1build1","7.1.0-1"]}],"products":[{"vendor":"hcxtools_project","product":"hcxtoold"}],"references":[{"url":"https://github.com/ZerBea/hcxtools/issues/155","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32286"},{"url":"https://github.com/advisories/GHSA-3p4h-535g-5qjf"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-32286","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-32286","tags":["report"]},{"url":"https://github.com/ZerBea/hcxtools/commit/e6505ddc262bc3254b39844895ebac70861001d2","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32286","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-32286","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","status":"published","published":"2021-09-20T15:26:43Z","modified":"2024-08-03T23:17:29.339Z","updated_at":"2026-11-02T14:33:07.014772Z"}],"euvd":[{"id":"EUVD-2021-19141","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","status":"published","published":"2021-09-20T15:26:43Z","modified":"2024-08-03T23:17:29Z","updated_at":"2026-11-03T03:24:36.852603Z"}],"ghsa":[{"id":"GHSA-3p4h-535g-5qjf","title":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the...","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","status":"published","published":"2022-05-24T19:15:12Z","modified":"2023-01-30T05:02:18Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:36.123786Z"}],"nvd":[{"id":"CVE-2021-32286","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","status":"published","published":"2021-09-20T16:15:10.737Z","modified":"2026-06-17T03:52:54.593Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:58.933037Z"}],"osv":[{"id":"CVE-2021-32286","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","status":"published","published":"2021-09-20T16:15:10.737Z","modified":"2026-10-20T10:53:45.596222668Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:19.793849Z"},{"id":"DEBIAN-CVE-2021-32286","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","status":"published","published":"2021-09-20T16:15:10.737Z","modified":"2026-10-23T18:05:23.348626581Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:35.233346Z"},{"id":"UBUNTU-CVE-2021-32286","description":"An issue was discovered in hcxtools through 6.1.6. A global-buffer-overflow exists in the function pcapngoptionwalk located in hcxpcapngtool.c. It allows an attacker to cause code Execution.","status":"published","published":"2021-09-20T16:15:00Z","modified":"2026-10-17T12:56:15.101247111Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:27.332852Z"}]}}